8473721925 has 48 divisors (see below), whose sum is σ = 14124274560. Its totient is φ = 4482589440.

The previous prime is 8473721891. The next prime is 8473721947. The reversal of 8473721925 is 5291273748.

It is a happy number.

It is not a de Polignac number, because 8473721925 - 2⁷ = 8473721797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5305227 + ... + 5306823.

It is an arithmetic number, because the mean of its divisors is an integer number (294255720).

Almost surely, 2^8473721925 is an apocalyptic number.

It is an amenable number.

8473721925 is a deficient number, since it is larger than the sum of its proper divisors (5650552635).

8473721925 is a wasteful number, since it uses less digits than its factorization.

8473721925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2137 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 8473721925 is about 92052.8213853329. The cubic root of 8473721925 is about 2038.7222811567.

The spelling of 8473721925 in words is "eight billion, four hundred seventy-three million, seven hundred twenty-one thousand, nine hundred twenty-five".